2021-12-27 08:23:29

by Peiwei Hu

[permalink] [raw]
Subject: [PATCH] staging: rtl8192e: rtllib_module: add free for error exit

Original source code of alloc_rtllib returns directly in
error, without freeing variable dev.

Signed-off-by: Peiwei Hu <[email protected]>
---
drivers/staging/rtl8192e/rtllib_module.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c
index 64d9feee1f39..18d898714c5c 100644
--- a/drivers/staging/rtl8192e/rtllib_module.c
+++ b/drivers/staging/rtl8192e/rtllib_module.c
@@ -125,7 +125,7 @@ struct net_device *alloc_rtllib(int sizeof_priv)

ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL);
if (!ieee->pHTInfo)
- return NULL;
+ goto failed;

HTUpdateDefaultSetting(ieee);
HTInitializeHTInfo(ieee);
--
2.25.1



2021-12-27 17:43:00

by Pavel Skripkin

[permalink] [raw]
Subject: Re: [PATCH] staging: rtl8192e: rtllib_module: add free for error exit

On 12/27/21 11:07, Peiwei Hu wrote:
> Original source code of alloc_rtllib returns directly in
> error, without freeing variable dev.
>
> Signed-off-by: Peiwei Hu <[email protected]>
> ---
> drivers/staging/rtl8192e/rtllib_module.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c
> index 64d9feee1f39..18d898714c5c 100644
> --- a/drivers/staging/rtl8192e/rtllib_module.c
> +++ b/drivers/staging/rtl8192e/rtllib_module.c
> @@ -125,7 +125,7 @@ struct net_device *alloc_rtllib(int sizeof_priv)
>
> ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL);
> if (!ieee->pHTInfo)
> - return NULL;
> + goto failed;
>
> HTUpdateDefaultSetting(ieee);
> HTInitializeHTInfo(ieee);


This one is already fixed in staging-testing branch. See commit
e730cd57ac2dfe94bca0f14a3be8e1b21de41a9c


With regards,
Pavel Skripkin